1989 Mercedes Benz 420sel Engine Light On Does Mean

1989 MERCEDES BENZ 420SEL
200,000 MILES
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The engine light is on what does it mean
Jan 22, 2013 at 6:57 AM
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CARADIODOC
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The Engine Computer detected a problem, set a diagnostic fault code in memory, and turned the light on to tell you. Your mechanic will read the code(s). That's the starting point that will tell him which circuit or system needs further diagnosis.
Jan 22, 2013 at 7:27 AM
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